HELP PLEASE: A 15kg child sits in a swing that is attached to ropes 1.6m long. Find the potential energy of the child relative to his lowest position when the ropes (a) are horizontal, (b) are vertical, and (c) make 30 degrees with the horizontal.

Question

anonymous · Answer

formula for PE is PE: MxGxH

In the above equation, m represents the mass of the object, h represents the height of the object and g represents the gravitational field strength (9.8 N/kg on Earth) - sometimes referred to as the acceleration of gravity.

anonymous · Answer

I mean PE=MXGXH